Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae

Details Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae

2005-07-19

arxiv.org/abs/astro-ph/0507459v1

Astronomy and Astrophysics

Astrophysics

12 pages, 4 figures; White paper to the Dark Energy Task Force

Scientific paper

The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing program is described in a companion White Paper.) The experiment exploits supernova distance measurements up to their fundamental systematic limit; strict requirements on the monitoring of each supernova's properties lead to the need for a space-based mission. Results from pre-SNAP experiments, which characterize fundamental SN Ia properties, will be used to optimize the SNAP observing strategy to yield data, which minimize both systematic and statistical uncertainties. SNAP has achieved technological readiness and the collaboration is poised to begin construction.

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